<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<h1>登录</h1>
<form method="post" enctype="multipart/form-data" action="loginAction.php" >
    <input type="text" name="username" placeholder="请输入卡号"><br/>
    <input type="text" name="userpwd" placeholder="请输入密码"><br/>
    <input type="submit">
</form>
</body>
</html>